Suspension fixture

Claim 1

For use with a ceiling outlet box having side walls and an open bottom and having diametrically disposed screw sockets on the inside of opposite side walls, a mounting strap having a downwardly extending laterally offset central portion including notches and integral lateral horizontal wings, said wings having mounting slots adapted to register with said screw sockets, screws cooperating with said slots in the wings and adapted to cooperate with the said screw sockets of the box for releasably mounting said strap on the open side of said box, said strap having upwardly extending end portions adapted to engage the ceiling outside the box, a suspension chain carrying a suspension fixture on the lower end of the chain and having a top oblong terminal link, a hanger, said chain being attached to the hanger at its upper end, said hanger having a restricted central portion embraced by the uppermost link of the suspension chain, and said hanger having one or more axially extending openings for conductor wires, conductor wires extending through said openings and extending along links of the chain to the suspended fixture, a canopy having a central screw-threaded hole, said hanger being externally screw-threaded to engage the internal screw threads of the said canopy, and the hanger having at its upper end outwardly extending lugs adapted to be passed through the mounting strap and turned on its longitudinal axis to anchor it to said strap, the hanger having at its upper end wings which may be extended through said notches in the mounting strap and rotated out of register with said notches to hold the fixture in suspension.